SMSI chair reports routine tax-withheld shares

SMITH MICRO SOFTWARE, INC.

Rhea-AI Filing Summary

SMITH MICRO SOFTWARE, INC. Executive Chairman and 10% owner William W. Smith Jr. reported routine share updates. A total of 1,618 shares of common stock were withheld at an average vesting price of $0.70 per share to cover income taxes on vested equity.

After this tax-withholding disposition, he directly holds 295,138 shares of common stock. In addition, 5,517,674 shares are held indirectly through the Smith Living Trust, reflecting his larger overall ownership position in the company.

Insider Trade Summary

Exercise Price or Tax Liability: 1,618 shares

Exercise Price or Tax Liability 2 txns

Insider SMITH WILLIAM W JR

Role Executive Chairman

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common stock	1,618	$0.70	$1K
holding	Common stock	--	--	--

Holdings After Transaction: Common stock — 295,138 shares (Direct); Common stock — 5,517,674 shares (Indirect, Smith Living Trust)

Footnotes (1)

1. F1. Shares withheld, at an average vesting price of $0.70 per share, for the payment of income taxes.

Key Figures

Shares withheld for taxes: 1,618 shares Average vesting price: $0.70 per share Direct holdings after transaction: 295,138 shares +1 more

4 metrics

Shares withheld for taxes 1,618 shares Common stock withheld to pay income taxes on vesting

Average vesting price $0.70 per share Average vesting price for withheld shares

Direct holdings after transaction 295,138 shares Common stock directly owned following tax withholding

Indirect holdings via trust 5,517,674 shares Common stock held indirectly through Smith Living Trust

Key Terms

tax-withholding disposition, Smith Living Trust, more-than-10% owner, Form 4

4 terms

tax-withholding disposition financial

"transaction_action":"tax-withholding disposition"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Smith Living Trust financial

"nature_of_ownership":"Smith Living Trust"

more-than-10% owner regulatory

"is_ten_percent_owner": 1"

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SMSI Executive Chairman William W. Smith Jr. report?

William W. Smith Jr. reported a small, routine tax-withholding transaction. A total of 1,618 shares of Smith Micro Software common stock were withheld at $0.70 per share to pay income taxes on vested equity, rather than being an open-market sale.

How many SMSI shares were withheld for taxes in this Form 4 filing?

The filing shows that 1,618 shares of Smith Micro Software common stock were withheld. These shares were applied at an average vesting price of $0.70 per share to satisfy income tax obligations associated with equity vesting, according to the footnote disclosure.

How many SMSI shares does William W. Smith Jr. hold directly after this transaction?

Following the tax-withholding disposition, William W. Smith Jr. directly owns 295,138 shares of Smith Micro Software common stock. This figure reflects his direct holdings after 1,618 shares were withheld to cover income tax liabilities related to vested equity awards.

What are William W. Smith Jr.’s indirect holdings in Smith Micro Software (SMSI)?

In addition to his direct position, the filing reports that 5,517,674 Smith Micro Software common shares are held indirectly through the Smith Living Trust. These indirect holdings are reported as beneficial ownership associated with his role and ownership status in the company.

Does this SMSI Form 4 reflect an open-market sale or a tax-withholding event?

This Form 4 reflects a tax-withholding event, not an open-market sale. The 1,618 shares of common stock were withheld at $0.70 per share to pay income taxes on vested equity, as described in the footnote, making it a routine administrative transaction.

What is the role of William W. Smith Jr. at Smith Micro Software (SMSI)?

William W. Smith Jr. is identified as Executive Chairman, a director, and a more-than-10% owner of Smith Micro Software. His significant direct and indirect shareholdings, including those held through the Smith Living Trust, are reported in this Form 4 ownership update.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/28/2026 - 05:45 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SMITH WILLIAM W JR

(Last) (First) (Middle)

5800 CORPORATE DRIVE

(Street)

PITTSBURGH PENNSYLVANIA 15237

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SMITH MICRO SOFTWARE, INC. [ SMSI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Chairman

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock	04/27/2026		F		1,618	D	$0.7(1)	295,138	D
Common stock								5,517,674	I	Smith Living Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares withheld, at an average vesting price of $0.70 per share, for the payment of income taxes.

	/s/ Jennifer M. Reinke as attorney-in-fact for William W. Smith, Jr.	04/28/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)